1. 【原句再现】 Is it in favour of cloning or against it?(P.12)
【点拨】 in favour of 是固定短语，意思为：赞同，支持；等同于approve of。如：
As to education, most specialists are in favour of further reform. 关于教育问题，多数专家支持做进一步改革。
【拓展】 do a favour for sb. / do sb. a favour 帮某人一个忙
与in favour of 结构相同的短语有：in praise of 表扬；in honor of /in memory of纪念；in case of 假如，假使；in charge of 掌管；in possession of 拥有；in consequence of 由于，作为……的结果
【小试】 用上述短语填空。
（1）All his family are _____________ his decision to work in western area after graduation.
（2）While reading, _____________ coming across new words, you’d better guess their meanings rather than refer to the dictionary.
（3）Mary told me that she was _____________ some lovely jewels.
（4）They had to move to another city _____________ the typhoon.
Key: （1） in favour of （2） in case of （3） in possession of （4） in consequence of
2. 【原句再现】 You might find this hard at first but it pays off when you come to speak. (P.18)
【点拨】 pay off 意为“偿清（欠款），付清（工资），得到回报，取得成功”。
【拓展】 pay for付款； pay back偿还（未必还清），报答； pay a visit to 拜访； pay attention to 留意
【小试】 用适当的介词填空。
（1） Scientists claim a bid to increase production of crops by hybridizing has paid ________.
（2） The supermarket ________ which he had ever paid a visit, was burnt to the ground.
（3） How can I pay you ________ for all your kindness?
（4） Well, after these years, we’ve at last paid ________ all our debts.
Key: (1) off (2) to (3) back (4) off
Forbid
观察下面的例句，留意forbid一词在句中的意义和用法：
1. Mother forbade me to get addicted to football when I was in senior middle school. 在我高中时期，母亲不许我踢球成瘾。
2. Their religion forbids the eating of pork. 他们信仰的宗教禁止吃猪肉。
【用法】 forbid ( forbade/ forbad, for-bidden, forbidding) 意为 “禁止，不许，妨碍，阻止”。
【搭配】 forbid sb. to do / forbid sb. from doing sth. 禁止某人做某事
forbid sth. 禁止某事
【拓展】 与forbid 结构相同的词有：
permit sb to do / permit doing sth 答应某人做某事/答应做某事；
allow sb. to do / allow doing sth答应某人做某事/答应做某事；
advise sb. to do / advise doing sth. 建议某人做某事/建议做某事
【小试】 单项填空。
1. There are laws in some countries which forbid advertisements __ at inappropriate times and places.
A. being shown B. shown
C. showD. to have shown
2. At the conference he was forbidden _____ the subject again.
A. mentioning B. to mention
C. mention D. mentioned
Key: 1-2 AB
Differ
观察下面的例句，留意differ一词在句中的意义和用法：
1. The boy differed from his mother in character.
这个小孩在性格方面不同于他的母亲。
2. The government differ with consumers on the prices of flats.
政府和消费者在房价方面意见不一致。
3. It made no difference to me whether you told me about it or not.
你告不告诉我都不重要。
【用法】 differ意为：不同，相异，意见不一致。
【搭配】 differ from... 与……不同；
differ in... 在……方面不同；
differ with sb. 与某人意见不同
【拓展】 be different from... 不同于……；
tell the difference between A and B 指出A与B的不同；
make a difference有影响；
make no difference 对（某事）根本没有影响，对（某人）不重要